Tag release v2.6.0

References:
  #1114, #1123, #603, #696

Author: chrisradek

README.md

@@ -24,7 +24,7 @@ to work with the new major version.
 To use the SDK in the browser, simply add the following script tag to your
 HTML pages:
 
-    <script src="https://sdk.amazonaws.com/js/aws-sdk-2.5.6.min.js"></script>
+    <script src="https://sdk.amazonaws.com/js/aws-sdk-2.6.0.min.js"></script>
 
 You can also build a custom browser SDK with your specified set of AWS services.
 This can allow you to reduce the SDK's size, specify different API versions of